Packaging sleeve



FIG. 1 is a top plan view of a packaging sleeve showing my new design;

FIG. 2 is an elevational view, the opposite side being the same in appearance;

FIG. 3 is an elevational view looking from the right of FIG. 2, the opposite side being the same in appearance; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a packaging sleeve, as shown and described. 